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USGS Daily Statistics for California

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 11273400 SAN JOAQUIN R AB MERCED R NR NEWMAN CA


Stanislaus County, California
Hydrologic Unit Code 18040001
Latitude  37°20'50.2", Longitude 120°58'30.5" NAD27
Drainage area 7,949  square miles
Gage datum 60 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2009-10-01 -> 2022-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 358 641 700 458 310 415 191 171 197 180 296 349
2 347 628 719 467 304 408 185 175 201 185 287 371
3 338 626 717 455 314 407 174 175 191 187 289 406
4 333 632 724 460 318 403 167 173 191 189 280 446
5 328 644 771 679 323 390 163 171 189 196 272 445
6 341 690 783 656 329 384 158 171 189 201 265 447
7 406 516 781 629 337 388 160 172 188 201 262 438
8 518 511 797 608 346 391 158 173 185 208 260 424
9 567 507 819 615 355 395 156 174 189 207 258 410
10 500 674 812 604 345 397 159 175 186 205 264 399
11 485 665 777 601 328 393 299 177 189 203 268 387
12 451 499 730 594 318 373 273 177 189 207 272 383
13 440 489 720 557 299 362 267 174 190 211 275 383
14 423 475 734 555 287 359 255 177 193 216 277 385
15 413 472 773 549 280 348 244 178 196 232 279 388
16 414 475 777 530 292 343 231 177 204 251 279 394
17 415 474 766 479 303 345 347 178 207 260 282 397
18 426 476 915 426 309 329 317 173 210 262 289 418
19 482 511 906 420 336 319 295 172 208 271 304 446
20 601 566 877 398 361 336 270 172 200 318 312 461
21 690 386 886 384 375 383 254 176 198 340 311 464
22 715 387 729 377 376 160 243 180 194 322 314 470
23 833 387 721 392 567 156 229 183 179 305 317 466
24 812 591 756 396 556 152 218 186 175 298 323 488
25 815 582 779 393 573 327 205 188 173 303 329 503
26 789 603 610 376 574 280 193 195 171 321 328 520
27 724 628 584 358 418 228 183 197 171 343 328 539
28 673 665 543 342 418 208 175 198 170 330 329 544
29 646 476 486 334 591 192 171 194 173 312 337 533
30 646   442 320 590 182 168 207 178 293 342 549
31 656   420   417   167 201   288   547